consensus/beacon: validate optimism params in Extra#766
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* crypto/ecies: fix ECIES invalid-curve handling (#33669) Fix ECIES invalid-curve handling in RLPx handshake (reject invalid ephemeral pubkeys early) - Add curve validation in crypto/ecies.GenerateShared to reject invalid public keys before ECDH. - Update RLPx PoC test to assert invalid curve points fail with ErrInvalidPublicKey. Motivation / Context RLPx handshake uses ECIES decryption on unauthenticated network input. Prior to this change, an invalid-curve ephemeral public key would proceed into ECDH and only fail at MAC verification, returning ErrInvalidMessage. This allows an oracle on decrypt success/failure and leaves the code path vulnerable to invalid-curve/small-subgroup attacks. The fix enforces IsOnCurve validation up front. * crypto/secp256k1: fix coordinate check * version: release go-ethereum v1.16.9 * consensus/beacon: validate optimism params in Extra (ethereum-optimism#766) --------- Co-authored-by: fengjian <445077+fengjian@users.noreply.github.com> Co-authored-by: Felix Lange <fjl@twurst.com> Co-authored-by: Anton Evangelatov <anton.evangelatov@oplabs.co>
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